:root{--bg:#fbfaf7;--ink:#14161c;--muted:#5b6170;--accent:#2563eb;--card:#ffffff;--rule:#e6e4df;--max:720px}
@media (prefers-color-scheme:dark){:root{--bg:#0f1117;--ink:#f3f4f7;--muted:#a3a8b5;--accent:#60a5fa;--card:#171a22;--rule:#262a35}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif}
main{max-width:var(--max);margin:0 auto;padding:40px 20px 80px}
header{display:flex;align-items:center;gap:12px;margin-bottom:36px}
header .mark{width:36px;height:36px;border-radius:10px;background:var(--accent);display:grid;place-items:center;color:#fff;font-weight:700}
header a{color:inherit;text-decoration:none;font-weight:600}
nav{margin-left:auto}nav a{color:var(--muted);margin-left:16px;text-decoration:none}
h1{font-size:34px;line-height:1.15;margin:0 0 12px;letter-spacing:-.01em}
h2{font-size:22px;margin:36px 0 10px}
.muted{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--rule);border-radius:16px;padding:20px 22px;margin:14px 0}
.grid{display:grid;grid-template-columns:1fr;gap:14px}@media(min-width:640px){.grid{grid-template-columns:1fr 1fr}}
table{width:100%;border-collapse:collapse;font-size:15px}th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--rule);vertical-align:top}
footer{margin-top:56px;color:var(--muted);font-size:14px;border-top:1px solid var(--rule);padding-top:18px}
a{color:var(--accent)}code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}
.tag{display:inline-block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);border:1px solid var(--rule);border-radius:999px;padding:2px 10px;margin-left:8px;vertical-align:middle}